25287903915343 has 2 divisors, whose sum is σ = 25287903915344. Its totient is φ = 25287903915342.

The previous prime is 25287903915311. The next prime is 25287903915467. The reversal of 25287903915343 is 34351930978252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25287903915343 - 2⁵ = 25287903915311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25287903975343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12643951957671 + 12643951957672.

It is an arithmetic number, because the mean of its divisors is an integer number (12643951957672).

Almost surely, 2^{25287903915343} is an apocalyptic number.

25287903915343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25287903915343 is an equidigital number, since it uses as much as digits as its factorization.

25287903915343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 25287903915343 in words is "twenty-five trillion, two hundred eighty-seven billion, nine hundred three million, nine hundred fifteen thousand, three hundred forty-three".